Home / 4,678.77-6,456.08-2,662.23

Finding the Fourth Proportional to 4,678.77, 6,456.08 and 2,662.23

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Solution

The fourth proportional to 4,678.77, 6,456.08 and 2,662.23 is: 3,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.77 : 6,456.08 = 2,662.23 : x
  2. Step 2: Convert to fraction form
    4,678.77/6,456.08 = 2,662.23/x
  3. Step 3: Cross multiply
    4,678.77x = 6,456.08 × 2,662.23
  4. Step 4: Simplify right side
    4,678.77x = 17,187,556.55
  5. Step 5: Solve for x
    x = 17,187,556.55/4,678.77
  6. Step 6: Final answer
    x = 3,673.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.